Add the first licensed Hollywood reference board

MEMORY.md

@@ -4,6 +4,14 @@ Session memory for durable decisions, state, and gotchas. Keep concise, remove o
 
 ## Decisions
 
+- **Hollywood reference board (2026-11-03):** five Wikimedia photos live in
+  `docs/screens/refs/hollywood/` with `SIDECAR.md` (licences: CC BY 2.0 x2, CC BY 3.0, PD x2),
+  cropped/re-encoded to <=1600 px JPEG q85 with EXIF stripped, foreground crowd cropped out of the
+  facade shot. The board is linked from `docs/hollywood-boulevard-map.md` and the CC BY files are
+  credited in `CREDITS.md`. Gotchas: the Commons API needs a descriptive User-Agent and rate-limits
+  rapid thumbnail downloads (HTTP 429) - fetch all metadata in one `titles=A|B|C` query and space
+  the downloads. `check_docs` requires each image to be linked from its folder `README.md`, so each
+  venue folder needs both `README.md` (board) and `SIDECAR.md` (provenance).
 - **Imagery evidence model (2026-11-03):** `TODO.md` now separates three image sources that must
   not be mixed: licensed real-location photos (evidence of what a place looks like), generated
   concept boards (art-direction proposals with model/prompt/spend provenance), and build captures